OpenTechnical

OT-2026-000033657

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000033657) never changes.

Identity and time

Publication numberOT-2026-000033657 · never reused
Internal UUID01a0ae75-a390-72d6-b251-d33fbaa853aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033657
StatusPUBLIC

Content hashes

Canonical text2c89ac789b46e3894863398c864bc39822adb550ea657e972cb138e54186c418
Markdown2c81d35e918275630f17731556f30f5bd74fc1fb888a0050b909d3c1491a9026
PDF
Publication page41d8a537a0a8c77f625f9b39c43bc61e95a30cc5356ad16c6a1cbea9ab40ce36
Manifest197bf1a61f3e5734b9085451ef1f0dac39dee9579b2846b656bbdd9f451d3f1a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8p8zoJoRLLjEmPe4a+Fcv8AWRQyn4B8QN/p8+yPYGrSKaG8W2QxWciT3CVIUqmcgB2whfsZPSuyhEwKAN9OYCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:38.583505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033657
observed 41d8a537a0a8c77f625f9b39c43bc61e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.567508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033657/manifest.json
observed 197bf1a61f3e5734b9085451ef1f0dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.551322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033657/publication.md
observed 2c81d35e918275630f17731556f30f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.533822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033657/publication.txt
observed 2c89ac789b46e3894863398c864bc398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.